/Engine/Plugins/Web/HttpBlueprint/Source/HttpBlueprint/Public/HttpBlueprintFunctionLibrary.h
Returns all of the headers and their values as a map by value
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintPure, Category="Http", Meta=(DisplayName="GetAllHeadersAsMap")) static [TMap](API\Runtime\Core\Containers\TMap)< [FString](API\Runtime\Core\Containers\FString), [FString](API\Runtime\Core\Containers\FString) > GetAllHeaders_Map ( const [FHttpHeader](API\Plugins\HttpBlueprint\FHttpHeader) & HeaderObject )